87897290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:287

約数の個数: 64

約数和(自身を含む): 176359680

約数和(自身を除く): 88462390

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 89, 107, 130, 142, 178, 214, 355, 445, 535, 710, 890, 923, 1070, 1157, 1391, 1846, 2314, 2782, 4615, 5785, 6319, 6955, 7597, 9230, 9523, 11570, 12638, 13910, 15194, 19046, 31595, 37985, 47615, 63190, 75970, 82147, 95230, 98761, 123799, 164294, 197522, 247598, 410735, 493805, 618995, 676133, 821470, 987610, 1237990, 1352266, 3380665, 6761330, 8789729, 17579458, 43948645, 87897290]

約数ペア:

[(1, 87897290), (2, 43948645), (5, 17579458), (10, 8789729), (13, 6761330), (26, 3380665), (65, 1352266), (71, 1237990), (89, 987610), (107, 821470), (130, 676133), (142, 618995), (178, 493805), (214, 410735), (355, 247598), (445, 197522), (535, 164294), (710, 123799), (890, 98761), (923, 95230), (1070, 82147), (1157, 75970), (1391, 63190), (1846, 47615), (2314, 37985), (2782, 31595), (4615, 19046), (5785, 15194), (6319, 13910), (6955, 12638), (7597, 11570), (9230, 9523)]